MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are part of a link farm designed to redirect users to potentially malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple unknown-reputation URLs strongly suggest a phishing or credential harvesting attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9899
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://pistant.ru/uplcv?utm_term=fake+card+generator+with+address PDF link annotation
- http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/weberuroxebivelibavol.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/hksnbg77di0ad49jt57nnuug8s/54419063344.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/tuxepegabivarat.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/xikafos.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/kuvabinosibulevidimu.pdfIn PDF document text
- https://krzczonowice.pl/gfx/file/84250778499.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/fibokofetimenowatalofat.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff5f109fb2---bupizogeloseditejigijubim.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1631234703.pdfIn PDF document text
- http://ukrfirework.com/images/file/vusakoxasavop.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/jukodozukiko.pdfIn PDF document text
- https://allianztc.ro/files/file/wesesololurusiruvu.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/28060380327.pdfIn PDF document text
- https://tjpapigroup3.com/contents/files/91908554338.pdfIn PDF document text
- http://artio.pl/files/files/kapewewozojiwowatetilo.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/90044571233.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/11548296947.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/95966840270.pdfIn PDF document text
- https://asiquim.com/ckfinder/userfiles/files/sisiwerawitilariratupis.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/ketigadejom.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/98090411508.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/62293981694.pdfIn PDF document text
- https://tourpon.kr/FileData/ckfinder/files/20210911_3B73A7FA97B517AF.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/vemesibudejiligunajuren.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/82619461113.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/veluzovevijini.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11256 | 10756 bytes |
SHA-256: e9e68c553bd6a092b4a31b0346095bdcf430f7abb69b98ed83624f83a88f4ae2 |
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font_02_sfnt_off00012ae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE5 | 17584 bytes |
SHA-256: 87da126750151ba250de1000ff0345f04d1a88d963215e00720a0503ff91bb58 |
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